Bathtub



FIG. 1 is an overall perspective view of the bathtub.

FIG. 2 is a frontside view of the bathtub.

FIG. 3 is a backside view of the bathtub.

FIG. 4 is a lateral view of both left and right sides of the bathtub.

FIG. 5 is a top plan view of the bathtub; and,

FIG. 6 is a detail view of the bathtub.

Portions shown in broken line are included for the purpose of illustration only and form no part of the claimed design. 

CLAIM The ornamental design for bathtub, as shown and described. 